The MAX7219 is an integrated circuit designed for controlling 8-digit 7-segment LED displays, as well as bar graph and dot matrix displays. It reduces the complexity of driving these displays by managing the multiplexing and segment current control, which in turn minimizes the number of microcontroller I/O pins required. The IC is available in a SOP-24 SMD package, making it suitable for compact and space-efficient designs.
Features
- Drives 8-Digit LED Displays: Capable of controlling up to 8 digits of 7-segment displays or 64 individual LEDs, with minimal external components.
- SPI-Compatible Interface: Uses a simple Serial Peripheral Interface (SPI) for communication, reducing the number of microcontroller I/O pins needed.
- Built-in BCD Decoder: Includes a BCD (Binary Coded Decimal) decoder for direct interfacing with numeric displays.
- Adjustable Brightness: Features digital control of display brightness, allowing for adjustment via software.
- Low Power Shutdown Mode: Provides a low-power shutdown mode to conserve energy when the display is not in use.
- SOP-24 SMD Package: Compact surface-mount package, ideal for high-density PCB designs.
Specifications
- Operating Voltage: 4V to 5.5V
- Maximum Segment Current: 40 mA per segment
- Data Transfer Rate: 10 MHz max (SPI interface)
- Display Scan Rate: 800 Hz typical
- Operating Temperature: -40°C to +85°C
- Package Type: SOP-24 (Small Outline Package)
- Pin Count: 24
Note: Product images are for illustrative purposes only and may differ from the actual product.
Returns Policy
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
1. Damaged During Shipment
If you receive a product damaged during shipment, please notify us within the 3 days of you receive the product, supported by the proper pictures and description. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost.2. Wrong Item Shipped
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
Limitation of Returns
We don't accept the returns for the products damanged by improper use of the product. Moreover we don't accept the return, if the ordered product is not fit for any specific application. Please read the product specifications and datasheet before selecting and ordering a product. Returns are accepted only with 3 days from the date of delivery.Shipping
We ship to all over India with free shipping on all prepaid orders above 500. For Cash on Delivery orders INR 80 will be charged for orders below INR 599 and INR 30 will be charged for the orders above 599. Please contact to our support team at support@quartzcomponents.com for any question related to shipping.
Please note that the Minimum Order Value is INR 500 for COD orders.